Difference between revisions of "Butyl rubber"
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isobutylene-isoprene elastomer; caucho butilado (Esp.); caoutchouc butyle (Fr.); borracha butílica (Port.) | isobutylene-isoprene elastomer; caucho butilado (Esp.); caoutchouc butyle (Fr.); borracha butílica (Port.) | ||
| − | == | + | ==Physical and Chemical Properties== |
Soluble in oils and hydrocarbon solvents. | Soluble in oils and hydrocarbon solvents. | ||
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{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
| − | ! scope="row"| | + | ! scope="row"| Softening Point |
| Tg= -73C | | Tg= -73C | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 0.92 | + | | 0.92 g/ml |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 306 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 306 | ||
| Line 32: | Line 32: | ||
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
| − | * Art and Architecture Thesaurus Online, | + | * Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:45, 11 May 2022
Description
A common name for isobutylene-isoprene elastomer. Butyl rubber was originally the trademark [Standard Oil Co.] for a rubber developed in the 1930s. It was made by the polymerization of butylene and isoprene. Butyl rubbers are less permeable to air and gas than natural rubber. They are more resistant to sunlight and weathering but will dissolve in oils and hydrocarbon solvents. Butyl rubbers are used in tires, inner tubes, hoses, gaskets and diaphragms. They are also used for paper coating, waterproofing textiles and as adhesives.
Synonyms and Related Terms
isobutylene-isoprene elastomer; caucho butilado (Esp.); caoutchouc butyle (Fr.); borracha butílica (Port.)
Physical and Chemical Properties
Soluble in oils and hydrocarbon solvents.
| Softening Point | Tg= -73C |
|---|---|
| Density | 0.92 g/ml |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 306
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Thomas C. Jester (ed.), Twentieth-Century Building Materials, McGraw-Hill Companies, Washington DC, 1995
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000